Weed, W. H.; Geology and Ore Deposits of the Butte District, Montana. USGS Prof. Paper 74, GPO, Washington, 1912. Quarto, pp. 262 pages, 41 plates (including 25 folded plates and maps in rear pocket), 109.. Price: $75.00 
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Weed, W. H.; Geology and Ore Deposits of the Butte District, Montana. USGS Prof. Paper 74, GPO, Washington, 1912.
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